added tutorial images to level 1
Merge branch 'master' of https://github.com/kfweber/Smart-Zombie

# By Ozone3000
# Via Ozone3000
* 'master' of https://github.com/kfweber/Smart-Zombie:
  end of game logic, removed first ranged attacker on lvl 1
  fire damage timing alteration

Conflicts:
	project.greenfoot